/* 
 * Copyright 2014 Igor Maznitsa (http://www.igormaznitsa.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.igormaznitsa.prol.containers;

import com.igormaznitsa.prol.data.TermStruct;
import java.util.Iterator;

/**
 * The interface describes a clause iterator to get clauses from a prol
 * knowledge base
 *
 * @author Igor Maznitsa (igor.maznitsa@igormaznitsa.com)
 * @see KnowledgeBase
 */
public interface ClauseIterator extends Iterator<TermStruct> {

  /**
   * Cut all next variants in the iterator
   */
  public void cut();
}
